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Lidar usage

The laser scanning method is not only the main way to obtain 3D geographic information in the military, but also the data obtained through this method is widely used in resource exploration, urban planning, agricultural development, water conservancy engineering, land use, environmental monitoring, traffic communication, and earthquake prevention. Disaster reduction and national key construction projects have provided extremely important raw materials for national economic, social development and scientific research, and have achieved remarkable economic benefits and demonstrated good application prospects. Compared with the traditional measurement method, the low airborne LiDAR ground three-dimensional data acquisition method has the advantages of low production cost and post-processing cost. At present, users are in urgent need of low-cost, high-density, high-speed, high-precision digital elevation data or digital surface data. The airborne LIDAR technology meets this demand, and it has become a popular high-tech in various measurement applications.